Ptilinum

Pronunciation
/TIL-in-um/
Category
Anatomy
Singular
Ptilinum
Plural
Ptilinia

Definition

A specialized inflatable structure found on the head of flies in the family Muscidae, used to help them emerge from their pupal cases.

Etymology

Latin *ptilinum*, meaning 'feather'.

Example

The ptilinum of a housefly is essential for its emergence from the pupal case.

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